The NHS states that the main symptoms of the disease are; involuntary shaking of particular parts of the body, slow movement and stiff and inflexible muscles.

Around one in 500 people are affected by Parkinson’s disease.

Robbie went on to say he was “going into fear” at the start of lockdown, but added: “The difference between me now and the person I used to be… I saw it, thought ‘That’s interesting – tomorrow will be different’.

“Whereas before I used to think that I’d feel that way for a decade,” The X Factor judge added, reflecting on his battle with depression and drink and drugs in the past.